Sun shade attachment for a chair



FIG. 1 is a plan view of a sun shade attachment for a chair showing our design;

FIG. 2 is a front elevational view of the design of FIG. 1;

FIG. 3 is a side elevational view thereof as seen from the right-hand side of FIG. 2;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view opposite to that of FIG. 3; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a sun shade attachment for a chair, substantially as shown and described. 